Feedback mechanisms that allow partners to rate each other after a transaction are considered crucial for the success of anonymous internet trading platforms. We document an asymmetry in the feedback behavior on eBay, propose an explanation based on the micro structure of the feedback mechanism...

eBay's feedback mechanism is considered crucial to establishing and maintaining trust on the world's largest trading platform. The effects of a user's reputation on the probability of sale and on prices are at the center of a large number of studies. More recent theoretical work considers...

Based on my recent work with several co-authors this paper explores the relationship between discretion, reputation, competition and entry in procurement markets. I focus especially on public procurement, which is highly regulated for accountability and trade reasons. In Europe regulation...